/******************************************************
The dynamically allocated array

(c) 1996 Innobase Oy

Created 2/5/1996 Heikki Tuuri
*******************************************************/

#include "dyn0dyn.h"
#ifdef UNIV_NONINL
#include "dyn0dyn.ic"
#endif

/****************************************************************
Adds a new block to a dyn array. */

dyn_block_t *dyn_array_add_block(
    /*================*/
    /* out: created block */
    dyn_array_t *arr) /* in: dyn array */
{
  mem_heap_t *heap;
  dyn_block_t *block;

  ut_ad(arr);
  ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N);

  if (arr->heap == NULL)
  {
    UT_LIST_INIT(arr->base);
    UT_LIST_ADD_FIRST(list, arr->base, arr);

    arr->heap = mem_heap_create(sizeof(dyn_block_t));
  }

  block = dyn_array_get_last_block(arr);
  block->used = block->used | DYN_BLOCK_FULL_FLAG;

  heap = arr->heap;

  block = mem_heap_alloc(heap, sizeof(dyn_block_t));

  block->used = 0;

  UT_LIST_ADD_LAST(list, arr->base, block);

  return (block);
}
